Cashless payments have come a long way since American Express introduced its plastic credit card in 1959. For modern consumers, two factors are at a premium when choosing a payment method, convenience ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Posts from this topic will be added to your daily email digest and your homepage feed. Swipes and buttons are the norm, but Apple’s double tap gesture opens a future where your smartwatch could be ...